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OBJECTIVE This article reports on a prevalence study of dementia and Alzheimer's disease among two groups of subjects with the same ethnic background but widely differing environments. METHOD The study was conducted among residents aged 65 years and older in two communities: Yorubas (N = 2,494) living in Ibadan, Nigeria, and African Americans (N = 2,212(More)
A door-to-door survey to detect commonly occurring neurologic diseases was carried out in Igbo-Ora, a large Nigerian town with a population of approximately 20,000. Effective health care facilities have been operating in the community since 1963. Primary health care workers and nondoctor personnel administered a complete census, a screening questionnaire,(More)
In a Nigerian town with a stable population of 20,000, a door-to-door survey was conducted, using a questionnaire involving a complete census and a simple neurological evaluation which had previously showed a 95% sensitivity and an 80% specificity for detecting neurological disease. Positive responders were evaluated and categorised, using agreed criteria(More)
A door-to-door survey of Parkinson's disease (PD) in Copiah County, Mississippi, using a pretested screening procedure (with a high sensitivity for detecting PD), followed by examination of all positives by a senior neurologist, revealed similar prevalence ratios for blacks and whites. The same procedure was applied in the community of Igbo-Ora, Nigeria, a(More)
  • B O Osuntokun
  • 1977
Stroke is increasingly becoming a major cause of death and morbidity in African population among most of which the frequencies of hypertension are considerable, although hard data based on community surveys are lacking and most of the information available is from hospital data. The epidemiology of stroke in the Africans is reviewed. The frequencies in(More)
The residents of Udo, a rural community of Edo-speaking people (population 2,925) in Bendel State, Nigeria were screened in a door-to-door survey for neurological disorders by specially instructed primary health care workers (PHW). A standard protocol was followed by PHW in collecting census data, administering a screening questionnaire, and performing a(More)
We compared ages of 59 elderly Nigerians subjects determined independently by records and historical events to validate the Ajayi-Igun listing of 1963. There was no statistically difference between the mean ages of the subjects as determined by the 2 methods (p > 0.05). In almost 50% of the subjects, the ages were exactly the same by both methods and in(More)
The anatomical and aetiological diagnoses of peripheral nerve disease excluding its primary benign and malignant disorders, as seen in 358 Nigerians are presented. There is a male preponderance and the peak incidence is in the fourth decade. Sensori-motor neuropathy was the commonest presentation (50%). Guillain-Barré syndrome was the commonest identifiable(More)
In a door-to-door survey in a Nigerian town with stable population of about twenty thousand, 18,594 subjects were screened with a questionnaire, which involved a complete census, administered by non-doctor, including primary health care personnel. Migrainous headache was diagnosed on the basis of combination of responses to the questionnaire shown in a(More)